4-Stage Alkaline Countertop Reverse Osmosis RO Revolution Water Purification System, 75 GPD, Raise pH up to 8.5-9, Kitchen Faucet Connection The Reverse Osmosis Revolution System easily attaches to your kitchen faucet without the need for plumber. Ideal portable solution for your apartment, home, RVs, aquarium or during your travel time. Build in USA. Comes with chrome metal 2-way diverter for kitchen faucets by default. Fit 96% of all kitchen faucets (female or male type of spout). Reliable 4 stage RO Water Purification System with 75 GPD RO membrane This RO System delivers approximately 3 gallons of pure, clean water per hour. Purify your water and change alkalinity of water up to 8.5-9 pH Instantly transforms tap water into healthy, top quality, fresh drinking alkaline water Can be connected to kitchen faucet, bathroom faucet or garden/laundry outlet. Raise alkalinity to level 8.6-9.5 pH Less than 60 seconds to install No any plumbing job or permanent fixture required 8-12 months or 1000 gallons Cost  less than 3 per gallon 3 gallons of drinking water per hour State of the art 4-stage Reverse Osmosis filtration Removes more than 200 contaminants Removes all major dangerous contaminants, including chlorine, chloramines, viruses, bacteria, arsenic, asbestos, VOCs, pesticides and etc. Designed and Assembled in USA (California) <span class="a-text-bold">1st stage:</span> Premium Quick-Connect 5 micron sediment filter. Dust and rust particles are trapped here in a filter which also extends the life of the system and the membrane. <span class="a-text-bold">2nd stage:</span>Premium USA made Quick-Connect T28 coconut activated carbon filter - VOCs (volatile organic compounds) and other common chemicals are removed from the water in this stage. This filter removes chlorine, chloramine, pesticides and herbicides, benzene, trihalomethane (THM) compounds, radon, solvents and hundreds of other man-made chemicals found in tap water. <span class="a-text-bold">3rd stage:</span>Premium High Rejection TFC type Reverse Osmosis membrane (made in USA). 97%-99% of total dissolved solids (TDS) and other elements are removed in this stage. Arsenic, fluoride, lead, chromium, radium, viruses, bacteria, and other unhealthy contaminants are removed from the water. 75 GPD. <span class="a-text-bold">4th stage: 3-in-1 Alkaline post filter.  Unique filter</span>increases water pH level from 6-7 Ph to 8.5-9.5. Unique filter with 4 different media: Alkaline, ORP Calcite and Tourmaline balls. ORP ceramic balls are made of natural nonmetal mineral tourmaline, high-grade clay added with other natural healthcare powders, such as negative ion powder, germanium powder etc.